Home / 9,420,023.20-14,132,043.60-5,378,447.20

Finding the Fourth Proportional to 9,420,023.20, 14,132,043.60 and 5,378,447.20

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Solution

The fourth proportional to 9,420,023.20, 14,132,043.60 and 5,378,447.20 is: 8,068,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420,023.20 : 14,132,043.60 = 5,378,447.20 : x
  2. Step 2: Convert to fraction form
    9,420,023.20/14,132,043.60 = 5,378,447.20/x
  3. Step 3: Cross multiply
    9,420,023.20x = 14,132,043.60 × 5,378,447.20
  4. Step 4: Simplify right side
    9,420,023.20x = 76,008,450,330,697.92
  5. Step 5: Solve for x
    x = 76,008,450,330,697.92/9,420,023.20
  6. Step 6: Final answer
    x = 8,068,817.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.